Implemented new fence syncs which replaces the old sync points.

gpu/command_buffer/service/gles2_cmd_decoder.h

 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 // This file contains the GLES2Decoder class.
 
 #ifndef GPU_COMMAND_BUFFER_SERVICE_GLES2_CMD_DECODER_H_
 #define GPU_COMMAND_BUFFER_SERVICE_GLES2_CMD_DECODER_H_
 
 #include <string>
@@ skipping 47 matching lines @@
 typedef base::Callback<void(const std::string& key,
                             const std::string& shader)> ShaderCacheCallback;
 
 // This class implements the AsyncAPIInterface interface, decoding GLES2
 // commands and calling GL.
 class GPU_EXPORT GLES2Decoder : public base::SupportsWeakPtr<GLES2Decoder>,
                                 public CommonDecoder {
  public:
   typedef error::Error Error;
   typedef base::Callback<bool(uint32 id)> WaitSyncPointCallback;
+  typedef base::Callback<void(uint64_t release)> FenceSyncReleaseCallback;
+  typedef base::Callback<bool(gpu::CommandBufferNamespace namespace_id,
+                              uint64_t command_buffer_id,
+                              uint64_t release)> WaitFenceSyncCallback;
 
   // The default stencil mask, which has all bits set.  This really should be a
   // GLuint, but we can't #include gl_bindings.h in this file without causing
   // macro redefinitions.
   static const unsigned int kDefaultStencilMask;
 
   // Creates a decoder.
   static GLES2Decoder* Create(ContextGroup* group);
 
   ~GLES2Decoder() override;
@@ skipping 149 matching lines @@
   virtual ErrorState* GetErrorState() = 0;
 
   // A callback for messages from the decoder.
   virtual void SetShaderCacheCallback(const ShaderCacheCallback& callback) = 0;
 
   // Sets the callback for waiting on a sync point. The callback returns the
   // scheduling status (i.e. true if the channel is still scheduled).
   virtual void SetWaitSyncPointCallback(
       const WaitSyncPointCallback& callback) = 0;
 
+  // Sets the callback for fence sync release and wait calls. The wait call
+  // returns true if the channel is still scheduled.
+  virtual void SetFenceSyncReleaseCallback(
+      const FenceSyncReleaseCallback& callback) = 0;
+  virtual void SetWaitFenceSyncCallback(
+      const WaitFenceSyncCallback& callback) = 0;
+
   virtual void WaitForReadPixels(base::Closure callback) = 0;
   virtual uint32 GetTextureUploadCount() = 0;
   virtual base::TimeDelta GetTotalTextureUploadTime() = 0;
   virtual base::TimeDelta GetTotalProcessingCommandsTime() = 0;
   virtual void AddProcessingCommandsTime(base::TimeDelta) = 0;
 
   // Returns true if the context was lost either by GL_ARB_robustness, forced
   // context loss or command buffer parse error.
   virtual bool WasContextLost() const = 0;
 
@@ skipping 19 matching lines @@
   bool log_commands_;
   bool unsafe_es3_apis_enabled_;
 
   DISALLOW_COPY_AND_ASSIGN(GLES2Decoder);
 };
 
 }  // namespace gles2
 }  // namespace gpu
 
 #endif  // GPU_COMMAND_BUFFER_SERVICE_GLES2_CMD_DECODER_H_